diff options
Diffstat (limited to 'arch/x86/mm/iomap_32.c')
-rw-r--r-- | arch/x86/mm/iomap_32.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index 62377d6..7b179b4 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -56,7 +56,6 @@ EXPORT_SYMBOL_GPL(iomap_free); void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot) { - pte_t pte = pfn_pte(pfn, prot); unsigned long vaddr; int idx, type; @@ -65,12 +64,7 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot) type = kmap_atomic_idx_push(); idx = type + KM_TYPE_NR * smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - WARN_ON(!pte_none(*(kmap_pte - idx))); - -#ifdef CONFIG_PREEMPT_RT_FULL - current->kmap_pte[type] = pte; -#endif - set_pte(kmap_pte - idx, pte); + set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); arch_flush_lazy_mmu_mode(); return (void *)vaddr; @@ -116,9 +110,6 @@ iounmap_atomic(void __iomem *kvaddr) * is a bad idea also, in case the page changes cacheability * attributes or becomes a protected page in a hypervisor. */ -#ifdef CONFIG_PREEMPT_RT_FULL - current->kmap_pte[type] = __pte(0); -#endif kpte_clear_flush(kmap_pte-idx, vaddr); kmap_atomic_idx_pop(); } |